Southwest® flights from West Palm Beach to St. Louis from $170

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Low fares from West Palm Beach to St. Louis

$

West Palm Beach (PBI)to

St. Louis (STL)
Depart: 11/02/2026

One-way

Basic

From
$170
Seen: 22 hrs ago

West Palm Beach (PBI)to

St. Louis (STL)
Depart: 09/01/2026

One-way

Basic

From
$170
Seen: 23 hrs ago

West Palm Beach (PBI)to

St. Louis (STL)
Depart: 10/31/2026

One-way

Basic

From
$170
Seen: 23 hrs ago

West Palm Beach (PBI)to

St. Louis (STL)
Depart: 09/08/2026

One-way

Basic

From
$170
Seen: 23 hrs ago

West Palm Beach (PBI)to

St. Louis (STL)
Depart: 10/30/2026

One-way

Basic

From
$172
Seen: 22 hrs ago

West Palm Beach (PBI)to

St. Louis (STL)
Depart: 09/16/2026

One-way

Basic

From
$174
Seen: 4 hrs ago

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Explore flights from West Palm Beach to St. Louis

Jul 2026
From$325*
Seen: 8 hrs ago
One Way/Basic
Aug 2026
From$175*
Seen: 2 hrs ago
One Way/Basic
Sep 2026
From$170*
Seen: 23 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $175
cmp-daily-histogram-bars-legend-max-price-aria-label $325
Displaying fares for July-2026
  • PBI–STL, 07/31/2026: From $325
    31

    Fri

    JUL

  • PBI–STL, 08/01/2026: From $265
    01

    Sat

  • PBI–STL, 08/02/2026: From $325
    02

    Sun

  • PBI–STL, 08/03/2026: From $290
    03

    Mon

  • PBI–STL: cmp-view-offers-disclaimer. Find Offers
    04

    Tue

  • PBI–STL: cmp-view-offers-disclaimer. Find Offers
    05

    Wed

  • PBI–STL, 08/06/2026: From $290
    06

    Thu

  • PBI–STL, 08/07/2026: From $290
    07

    Fri

  • PBI–STL: cmp-view-offers-disclaimer. Find Offers
    08

    Sat

  • PBI–STL: cmp-view-offers-disclaimer. Find Offers
    09

    Sun

  • PBI–STL, 08/10/2026: From $290
    10

    Mon

  • PBI–STL, 08/11/2026: From $261
    11

    Tue

  • PBI–STL: cmp-view-offers-disclaimer. Find Offers
    12

    Wed

  • PBI–STL, 08/13/2026: From $211
    13

    Thu

  • PBI–STL, 08/14/2026: From $211
    14

    Fri

  • PBI–STL, 08/15/2026: From $240
    15

    Sat

  • PBI–STL: cmp-view-offers-disclaimer. Find Offers
    16

    Sun

  • PBI–STL, 08/17/2026: From $211
    17

    Mon

  • PBI–STL: cmp-view-offers-disclaimer. Find Offers
    18

    Tue

  • PBI–STL: cmp-view-offers-disclaimer. Find Offers
    19

    Wed

  • PBI–STL: cmp-view-offers-disclaimer. Find Offers
    20

    Thu

  • PBI–STL, 08/21/2026: From $206
    21

    Fri

  • PBI–STL, 08/22/2026: From $175
    22

    Sat

  • PBI–STL: cmp-view-offers-disclaimer. Find Offers
    23

    Sun

  • PBI–STL: cmp-view-offers-disclaimer. Find Offers
    24

    Mon

  • PBI–STL: cmp-view-offers-disclaimer. Find Offers
    25

    Tue

  • PBI–STL: cmp-view-offers-disclaimer. Find Offers
    26

    Wed

  • PBI–STL: cmp-view-offers-disclaimer. Find Offers
    27

    Thu

  • PBI–STL: cmp-view-offers-disclaimer. Find Offers
    28

    Fri

  • PBI–STL: cmp-view-offers-disclaimer. Find Offers
    29

    Sat

  • PBI–STL: cmp-view-offers-disclaimer. Find Offers
    30

    Sun

    • Range$175-$325

    *Fares displayed have been collected within the last 24 hours and may no longer be available at time of booking. Additional fees and charges for optional products and services may apply. Modifying this information may result in a different fare. To find the most updated fare, please visit Southwest.com. Fares listed are Basic, which are subject to additional terms and conditions.

    Flight Details

    Departing from:
    Palm Beach International Airport
    Arriving at:
    Lambert-St Louis Int'l Airport
    Distance:
    1023 miles

    Route Information

    84† Weekly flights

    † Weekly flights based on DOT published scheduled average flights Monday through Sunday between 9/1/2025 and 9/30/2025. Note: route may not operate every day of the week.

    ‡ Nonstop flights based on DOT published scheduled average flights Monday through Sunday between 9/1/2025 and 9/30/2025.

    Questions we hear the most

    There are 84 weekly flights from West Palm Beach to St. Louis on Southwest Airlines.
    To find the lowest fares by day and time to fly West Palm Beach to St. Louis with Southwest, check out our Low Fare Calendar.
    You can rent a car at Lambert-St Louis Int'l Airport book yours with your flight.
    Yes! Flights from West Palm Beach to St. Louis—or from here or there to anywhere—can be changed with no change fees. Fare difference may apply.
    Check the status of your upcoming Southwest flight.
    Check out the Southwest Airlines® Help Center for answers about everything Southwest.

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